SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for m-plan.de

Valid
Issued by (CA)
Let's Encrypt
Subject
*.m-plan.de
Valid from
Jun 11, 2026
Valid until
Sep 9, 2026 (49 days remaining)
Public key
EC 384-bit
Serial
05C0EBF6499F002ED34F5C7908324A90DEEA
SHA-256 fingerprint
4A:CA:79:28:81:22:B2:29:2B:01:C1:FD:A3:22:FB:D4:73:58:23:77:61:17:3C:FD:DC:52:BA:92:F6:DF:17:B7
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
*.m-plan.de, m-plan.de

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org, sectigo.com).